iotop - it allows the user to monitor I/O usage in the disk

To print the details of disk I/O usage $ sudo iotop

To print processes that are actually doing disk I/O $ sudo iotop -o

To print the output in non-interactive or batch mode $ sudo iotop -b

To display disk I/O details of a particular process $ sudo iotop -p <pid>

To set the number of iterations $ sudo iotop -n 5 $ sudo iotop -n 10

To display the output with timestamp $ sudo iotop -t

To display only the I/O usage by user home $ sudo iotop -u

To get details of processes $ sudo iotop -P

To display without header lines $ sudo iotop -q

To display disk IO usage in KB $ sudo iotop -k

regards, T.Dhanasekar